Q:

# How much does a 2-kilowatt heater cost to run?

A:

The cost of running a 2-kilowatt heater is determined by the amount of time, during which the heater is running, and local utility's rate per kWh consumed. It can be expressed as one-time, daily, monthly or annual cost.

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The exact one-time expense is calculated by multiplying the heater's wattage (2 kW), time of operation in hours and the price of one kWh. Daily cost of running the heater is calculated by similar formula - the wattage in this case is multiplied by the price of one kWh and the average number of hours the heater is running per day. Annual cost is calculated by multiplying daily cost and the number of days the heater is running in one year.

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